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Birthday Cards for Sister

Browse our collection of birthday cards for sisters! What relationship in your life is more special than the one you share with your sister? No matter what stage of life you are both in, whether she is older, younger or even a twin, we have the perfect card to express your heartfelt birthday wishes. Our birthday cards for sisters cover the gamut from sweet and sentimental to funny and sarcastic.

We offer cards for milestone birthdays, pretty cards, sentimental cards, trendy cards, humorous cards and cards that can be customized to say just what you want. You can even add a picture to make your card truly one-of-a-kind. Don't settle for another generic card off the rack, create a personalized card that she'll cherish as a keepsake for years to come! Once you find the perfect birthday card for your sister, we'll print and mail it the next day!
Birthday Cards for Sister

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Shopper Testimonials
“I recently had an appointment with my doctor. She was tearful during the exam. The office help noticed and I chimed in. She began telling her story to me and I sent this card to cheer her up. I liked the inside message and front picture. I felt so happy. I was able to send this card to cheer her up a bit. She was going through a rough time personally. The card fit the situation. Paul Safran”
Paul - Camarillo, Ca. - Nov 1st, 2026
“I like that I can have a theme for Christmas this year snowmen (or snowpersons) last year it was trees. Can't remember the other years. Thank you for making it so easy to order.”
Phyllis - Nov 4th, 2026
Cards per Page:
Cards: 4,861 Pages: 163
Most Popular Newest Show adult cards
40th Birthday/Sister - Hide Your Excitement card
Happy 61st Birthday to a Wonderful Little Sister, …
Happy 32nd Birthday Sister with Typewriter, Chicka…
7th Birthday Little Sister Unicorn Sitting On Rain…
10th Birthday Little Sister Unicorn Sitting On Rai…
5th Birthday for a Little Sister Party with Her Ki…
Happy 50th Birthday Sister with Typewriter, Chicka…
Big Sis, Happy Birthday with Hugs and Kisses card
Best Sister Ever 19th Birthday Typography in Pink …
Happy 67th Birthday Sister with Typewriter, Chicka…
Sister, 24th, Happy Birthday, Mason Jar, Flowers, …
Best Sister Ever 32nd Birthday Typography in Pink …
Big Sister Birthday, Pink Teacup with Lily of the …
Best Sister Ever 38th Birthday Typography in Pink …
Sister, 86th, Happy Birthday, Mason Jar, Flowers, …
Happy Birthday Twin Sister card
Happy 84th Birthday Sister with Typewriter, Chicka…
Sister 99th Birthday Pink Teacup with Lily of the …
For Sister Birthday Pastel Colors on Navy with Hea…
Sister Birthday with a Pretty Butterfly and Scatte…
Sister Happy Birthday Floral High Heel Shoe card
Beautiful Sister Birthday - RETRO card
Best Sister Ever 81st Birthday Typography in Pink …
Sister January Birthday with Carnations on Cake ca…
87th Birthday for Sister, Pearls and Petals card
Happy Birthday to My Sister with Carnivore Steak C…
Sister, Birthday, Roses and pearls card
Sister Birthday, Butterfly and Flowers card
Sister 9th Birthday Tall Cake Desserts Balloons ca…
Sister Birthday Yellow Roses with Monarch Butterfl…
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